55630033 has 8 divisors (see below), whose sum is σ = 58409280. Its totient is φ = 52908240.

The previous prime is 55630021. The next prime is 55630063. The reversal of 55630033 is 33003655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55630033 - 2⁹ = 55629521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55630063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12373 + ... + 16258.

It is an arithmetic number, because the mean of its divisors is an integer number (7301160).

Almost surely, 2^55630033 is an apocalyptic number.

It is an amenable number.

55630033 is a deficient number, since it is larger than the sum of its proper divisors (2779247).

55630033 is a wasteful number, since it uses less digits than its factorization.

55630033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28727.

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 55630033 is about 7458.5543505427. The cubic root of 55630033 is about 381.7418488287.

Adding to 55630033 its reverse (33003655), we get a palindrome (88633688).

The spelling of 55630033 in words is "fifty-five million, six hundred thirty thousand, thirty-three".